Maintenance & Technical > KX500 Steel Frame Conversion (SFC)
2003 KX 250 SF Conversion
umberto:
--- Quote from: zz3gmc on July 25, 2015, 01:36:34 PM ---Looks great! Nice to see the newer style KX represented! I was feeling lonely!
--- End quote ---
Thank you again for all your help and advice, I couldn't have done it without you. I rode it around the block a few minutes ago, and it feels stout but not scary. I'm anxious to get it dirty.
MRDART:
Looking forward to a full ride report and video :-)
umberto:
I have been planning to go riding with my friend who owns land in Chandler for a while now, and today was the day we could both go. I took the 500 SF and my 04 KX 250 and we were blessed with some great weather for August in Oklahoma (around 87 degrees), which is awesome because the trails were a mess with blackberry vines. The 500 started easily, and all the mechanical parts and suspension worked really well. The motor was a bit of another story. It just felt lazy and didn't want to rev or come up on the pipe. When I changed out the clutch, I discovered that the previous owner had removed all the KIPS components, including the gear and mechanism inside the clutch case. All the stuff in the cylinder is just gone as well. I would think that would affect the bottom end, but not prevent it for hitting on the top end. Do you guys have any thoughts on the engine? KIPS? Reeds? Timing? Gremlins?
Also, the shifter is not wanting to return back up from a downshift. I also think the shifter is slipping on the splines of the shifter shaft. I am going to contact Senor Sandblaster to see if I can procure another shaft and shifter, as well as all the springs. The transmission holds gears well, so I have my fingers crossed on that one.
All in all, I am pleased with the progress. I have a few things to sort out, but most of the tough stuff is done. Plus it just looks cool with that giant engine in the frame. :-D
Once I get the engine sorted out, I will post a ride video.
umberto:
Also, does anyone know of any other KIPS valves that will work in this engine? I know that 87-88 will work (thank you Sandblaster and your awesome reference list), but is there any other models that will cross over?
zz3gmc:
They do look good with that giant engine!
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